From owner-freebsd-bugs@FreeBSD.ORG Wed Nov 28 04:06:22 2007 Return-Path: Delivered-To: freebsd-bugs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B4C4516A419; Wed, 28 Nov 2007 04:06:22 +0000 (UTC) (envelope-from gpalmer@freebsd.org) Received: from noop.in-addr.com (unknown [IPv6:2001:5c0:8fff:fffe::214d]) by mx1.freebsd.org (Postfix) with ESMTP id 794DA13C468; Wed, 28 Nov 2007 04:06:22 +0000 (UTC) (envelope-from gpalmer@freebsd.org) Received: from gjp by noop.in-addr.com with local (Exim 4.54 (FreeBSD)) id 1IxEBo-000Nh9-SJ; Tue, 27 Nov 2007 23:06:20 -0500 Date: Tue, 27 Nov 2007 23:06:20 -0500 From: Gary Palmer To: Yuri Message-ID: <20071128040620.GB89600@in-addr.com> References: <200711210234.lAL2Y7cU041129@www.freebsd.org> <20071121170349.X81263@delplex.bde.org> <1196219512.474cdc78837c1@webmail.rawbw.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1196219512.474cdc78837c1@webmail.rawbw.com> Cc: Yuri , freebsd-gnats-submit@freebsd.org, freebsd-bugs@freebsd.org, Bruce Evans Subject: Re: misc/118160: unable to mount / rw while booting 7.0-BETA3 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Nov 2007 04:06:22 -0000 On Tue, Nov 27, 2007 at 07:11:52PM -0800, Yuri wrote: > > > While booting log says: > > > Starting file system checks: > > > > > > mount: : Operation not permitted. > > > > This is probably a secondary problem. You apparently have the root device > > mounted on "" or something like that. > > What does mount shouw for the root device? > > > No, when I get to shell after this failure during the normal boot process > mount shows: > /dev/ad12s1c / (ufs,local,read-only) > swapinfo shows that swap volume is /dev/ad12s1b Is your root partition really on the "c" partition? The "c" partition represents the whole disk slice. Sure you don't mean ad12s1a? The conflict between using the c partition and swap on the b partion (which logically is a subset of the entire slice) could be the cause of EPERM > > > The major bug seems to be in the 'mount' system call. 'man mount' says that > > EPERM is returned if "The caller is neither the super-user nor the owner of > > dir." I am root. > > > > You are apparently attempting to mount the same device twice (even though > > -u specifies an already-mounted device, the kernel is apparently confused > > about where it is mounted). > > > I thought that mount command is supposed to pick up the locations correctly, > so that when I say 'mount -uw /' device should be picked up from the already > mounted list. > > Also I found that swapon and mount are related in my case. Once swapon is done > I can't remount root as r/w. And vice versa, when mount -uw is done swapon > returns EPERM. > > This happens when I boot as single user. When I do swapon consecutive > 'mount -uw ' fails. When I do 'mount -uw' consecutive swapon fails. > So I don't have swap at all since this command failed during boot. > > I guess 'nmount' and 'swapon' system calls are similar and somehow interfere > with each other. > > So I still can't boot normally, only through single user mode and I don't > have swap at all after this. > > Yuri > _______________________________________________ > freebsd-bugs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-bugs > To unsubscribe, send any mail to "freebsd-bugs-unsubscribe@freebsd.org" > >